The Sydney Roosters squad has been assessed by Club medical staff following Thursday's Round 20 match against the Manly Warringah Sea Eagles.
Lindsay Collins was taken from the field in the first half of the match for a Head Injury Assessment (HIA) and was unable to return to the field.
He has commenced the NRL's HIA protocol and will be awaiting a specialist review in regards to the next stage of rehabilitation.
Fletcher Baker has returned back to full training following a calf strain, and will be available for selection this week.
There were no other injury concerns for the players that featured in the match.